Electrical Cables Capacitance grading of cable implies Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become One half Double None of the listed here Four times One half Double None of the listed here Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 15 kV/mm 5 kV/mm 10 kV/mm 30 kV/mm 15 kV/mm 5 kV/mm 10 kV/mm 30 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Paper insulated Rubber insulated Compressed oil or compressed gas insulated Mica insulated Paper insulated Rubber insulated Compressed oil or compressed gas insulated Mica insulated ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If the length of a cable is doubled, its capacitance None of the listed here Becomes one-half Becomes double Becomes one-fourth None of the listed here Becomes one-half Becomes double Becomes one-fourth ANSWER DOWNLOAD EXAMIANS APP
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